How to access R session/global environment after running script through Rscript on Linux

Question

I am using a Linux Workstation to run my R script. I did so using screen and then Rscript myRscript.R. Is there anyway to access the R session after the script has run? I want to be able to write new commands and access the global environment that was created during that session.

I tried asking the Unix community, but no response... https://unix.stackexchange.com/questions/608073/how-to-pass-code-to-attached-screen

Daniel R · Accepted Answer · 2020-09-08 13:36:26Z

2

The session is lost after the script is done running. But you can save the environment using save.image("env_file.Rdata") and use it later using load("env_file.Rdata").

See http://ugrad.stat.ubc.ca/R/library/base/html/save.html

answered Sep 8, 2020 at 13:36

Daniel R

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2 Comments

nateroe Over a year ago

My script did not make it to the end, something went wrong along the way. Do you know if Rscript --save myRscript.R would save the workspace where ever it stops even if it does not make it to the end of the script?

Daniel R Over a year ago

I don't think it would save the workspace if there's an error. If you want to debug the script, maybe can use the R console instread ofsource("myscript.R") and then use save.image. Or maybe using Rscript -e "tryCatch({source('myRscript.R')}); save.image('env_file.Rdata')" to use tryCatch to handle any error and save the environement image anyway.

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